Grain-drill



(No Model.) 4 Sheets-Sheet 1.

H. J. PHELPS.

GRAIN DRILL. No. 433,027. Patented July 29, 1890.

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(No Model.) 4 SheetsSheet 2.

H. J. PHELPS.

'GRAIN DRILL.

No. 433,027. Patented July 29,1890.

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GRAIN DRILL.

(No Model.)

No. 433,027. Patented July 29. 1890.

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(No Model.) 4 SheetsSheet 4. H. J. PHELPS.

GRAIN DRILL.

Patented July 29, 1890.

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UNiTnn STATns PATENT ()FFICE.

HARVEY J. PHELPS, OF HAVANA, ILLINOIS.

GRAlN-DRlLL'.

V SPECIFICATION forming part of Letters Patent No. 433,027, dated July29, 1890. Application filed February 27, 1890. Serial No. 3%,028. (N0model.)

To all whom it may concern.-

Be it known that I, HARVEY J. PHELPS. of Havana, in the county of Masonand State of Illinois, have invented certain new and useful Improvementsin Grain-Drills, of which the following is a specification.

This invention relates to the manner of imparting yielding pressure tothe rear ends of the runners of grain-drills, to the manner of causingor enabling the following-wheels to accurately track the runners, and tothe manner of distributing weight among the different wheel-frames.

It consists in the details of construction and combinations of partshereinafter set fort-11 and claimed.

The essential feature of the device used to impart yielding pressure tothe runners is a contraction-sprin g bearin g against the swinging endof a runner and extending obliquely upward and forward to an opposingbearing in such manner that as the runner rises the increasing tensionof thespring is neutralized by the increasing obliquity of the directionof pressure. This provision assures uniform depth of planting in allconditions of soil, as a runner riding a ridge or passing over anelevation is subject to no greater pressure and will penetrate theground no deeper than a runner in a comparative depression or hollow.

The device or construction that causes the wheels to track the runnersand cover the grain regularly in all conditions of ground comprisesyokes connected with the runnerframe in a manner permitting verticaltilting, frame-bars connected with the ends of the yokes in a manner toslide thereon, and draftlinks connecting the wheel-frames with theyokes. The wheels in frames so connected are permitted to follow theirnatural tendencies and tilt to conform to uneven ground and movesidewise to follow the furrows of the runners.

The device used to connect the equalizingbar with the wheel-frames insuch manner that the weight imposed on the frames shall be equallydistributed while permitting independent side motion in each frameconsists in pulleys held in rigid extensions of the equalizing-bar, andchains swung from the wheel-frames in position to sustain the pulleysand their load.

In the drawin 'saccoin Jan in and formin D D D a part of thisspecification, Figure l is an enlarged side elevation of a runnerconstructed and equipped in accordance with my invention. Fig. 2 is aplan of the construction shown in Fig. 1. Fig. 3 is a rear elevation ofthe wheel-frames and the weight-distributing appliance. Fig. & is a planof a wheel-frame and the pivoting-yoke used to connect the wheel-framewith the runner-frame. Fig. 5 is a plan of all the parts of a drillrelating to my invention, and Fig. 6 is a side elevation of the same.

The runn er-shank is indicated by referenceletter a and the runneritself by 1). Parallel bars at m extend from the shank to the pivot n ofthe runner, which pivot is formed on bracket 0, which is in turn securedto crossbar 1) of the runner-frame. The shank has a forward extension 0that provides a bearing for block (Z. The rod e extends obliquely upwardand forward from block a, and it carries spring f, which bears againstextension k of block or bracket 2'. The extension is slotted to receivethe end of rod 6, and it is secured to the rear bar got therunner-frame. It may be provided with a set of notches Z, and the springmay have a collar, as g, adapted to the notches. As the runner rises,the resistance of the springincreases; but its constantly-increasingtendency is to press rearward instead of downward, thus equalizing theaction of the spring, as hereinbefore stated.

The yoke r pivots in bearings t t of bar q, and it has the slidingbearings s s for wheelframe r. Draft-bars a have the bifurcatedterminations anvhich connect with the yoke in a manner permittingsliding motion in the WheeLframe. They extend rearward from the yoke andconnect with the wheel-frame at points more or less near the axle, asseen in the drawings. This construction enables each wheelframe to tiltvertically while maintaining horizontal rigidity with relation to therunner-frame, and also permits side motion in the frames, which enablesthe wheels 10 to track the runners.

The bar at sustains the weight of the driver and it has strips an thatextend downward on opposite sides of the rear ends of the wheelframesand carry pulleys y 'y at their lower ends. Chains are connected withthe ends of the wheeLfra-mes at different points. They hang looselybetween thei r connections, and they support the pulleys in amannerpermitting a limited amount of independent motion 1n the, differentframes.

I-Iaving thus described my invention, I c1a1m 1. In grain-drills, incombination, a runnerframe, runners pivotally connected at their forwardends thereto, and contraction-springs interposed obliquely between therear ends of the runners and a relatively forward portion of the frame,as set forth.

2. In grain-drills, in combination, a runnerframe, runners pivotallyconnected at their forward ends therewith, rods connecting with the rearends of the -runners and extending upward obliquely through slots in acomparatively forward portion of the frame, and contraction-springs onthe rods bearing against the runners and the frame, as set forth.

3. In grain-drills, in combination, a runner frame, a yoke swung on acentral pivot'in a manner permitting vertical and precluding horizontaltilting, a Wheel frame mounted slidingly on the ends of the yoke, andswingin g draft-bars secured to the wheel-frame and t0 the yoke, as setforth.

at. In grain-drills, in oombination,an equalizing-bar having downwardextensions carrying pulleys, and chains having their ends connected withthe rear ends of wheel-frames and supporting the pulleys and their load,as set forth.

In testimony whereof I sign my name in the presence of two subscribingwitnesses.

HARVEY J. PHELPS.

Attest:

LYMAN LACEY, Jr., 0. B. THORP.

